Home / 4,808.40-7,213.35-1,521.18

Finding the Fourth Proportional to 4,808.40, 7,213.35 and 1,521.18

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Solution

The fourth proportional to 4,808.40, 7,213.35 and 1,521.18 is: 2,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.40 : 7,213.35 = 1,521.18 : x
  2. Step 2: Convert to fraction form
    4,808.40/7,213.35 = 1,521.18/x
  3. Step 3: Cross multiply
    4,808.40x = 7,213.35 × 1,521.18
  4. Step 4: Simplify right side
    4,808.40x = 10,972,803.75
  5. Step 5: Solve for x
    x = 10,972,803.75/4,808.40
  6. Step 6: Final answer
    x = 2,282.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.